PHP Journal2Cache::mobile_detect示例

        if (!self::canCache()) {
            return false;
        }
        if (isset($_SESSION['customer_id']) || isset($_SESSION['user_id'])) {
            return false;
        }
        $session_keys = array('cart', 'wishlist', 'compare');
        foreach ($session_keys as $session_key) {
            if (isset($_SESSION[$session_key]) && is_array($_SESSION[$session_key]) && count($_SESSION[$session_key]) > 0) {
                return false;
            }
        }
        return true;
    }
    public static function enablePageCache($language = 'en', $currency = 'usd')
    {
        if (!session_id()) {
            session_start();
        }
        if (self::canPageCache()) {
            self::$page_cache_file = Journal2Cache::$path . '/' . Journal2Cache::$dir . implode('_', array(md5(self::getCurrentUrl()), $language, $currency, self::$device));
            if (file_exists(self::$page_cache_file)) {
                echo file_get_contents(self::$page_cache_file);
                exit;
            }
        }
    }
}
Journal2Cache::$path = realpath(DIR_SYSTEM . '../');
Journal2Cache::$mobile_detect = new Mobile_Detect();